参数资料
型号: FT2232HL-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 9/67页
文件大小: 0K
描述: IC USB HS DUAL UART/FIFO 64-LQFP
标准包装: 1
系列: USBmadeEZ-FIFO,FT-X,X-Chip
特点: USB 至 UART 和(或)FIFO、SPI、I2C、JTAG
通道数: 2,DUART
FIFO's: 4096 字节
规程: RS232,RS422,RS485
电源电压: 3 V ~ 3.6 V
带并行端口:
带自动流量控制功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP
包装: 标准包装
产品目录页面: 634 (CN2011-ZH PDF)
其它名称: 768-1024-6
Copyright 2012 Future Technology Devices International Limited
17
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
Table 3.8 Channel A and Channel B MPSSE Configured Pin Descriptions
For a functional description of this mode, please refer to section 4.6 MPSSE Interface Mode Description.
3.4.6 FT2232H Pins used as a Fast Serial Interface
The FT2232H channel B can be configured for use with high-speed optical bi-directional isolated serial
data transfer: Fast Serial Interface. (Not available on channel A). A proprietary FTDI protocol designed to
allow galvanic isolated devices to communicate synchronously with the FT2232H using just 4 signal wires
(over two dual opto-isolators), and two power lines. The peripheral circuitry controls the data transfer
rate in both directions, whilst maintaining full data integrity. Maximum USB full speed data rates can be
achieved. Both A and B channels can communicate over the same 4 wire interface if desired.
When configured in this mode, the pins used and the descriptions of the signals are shown in Table 3.9.
Channel B
Pin No.
Name
Type
Fast Serial Interface Configuration
Description
38
FSDI
INPUT
Fast serial data input.
39
FSCLK
INPUT
Fast serial clock input.
Clock input to FT2232H chip to clock data in
or out.
40
FSDO
OUTPUT
Fast serial data output.
41
FSCTS
OUTPUT
Fast serial Clear To Send signal output.
Driven low to indicate that the chip is ready
to send data
Table 3.9 Channel B Fast Serial Interface Configured Pin Descriptions
For a functional description of this mode, please refer to section 4.8 Fast Opto-Isolated Serial Interface
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